Home / 51,400.32-70,931.52-29,043.84

Finding the Fourth Proportional to 51,400.32, 70,931.52 and 29,043.84

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Solution

The fourth proportional to 51,400.32, 70,931.52 and 29,043.84 is: 40,079.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,400.32 : 70,931.52 = 29,043.84 : x
  2. Step 2: Convert to fraction form
    51,400.32/70,931.52 = 29,043.84/x
  3. Step 3: Cross multiply
    51,400.32x = 70,931.52 × 29,043.84
  4. Step 4: Simplify right side
    51,400.32x = 2,060,123,717.84
  5. Step 5: Solve for x
    x = 2,060,123,717.84/51,400.32
  6. Step 6: Final answer
    x = 40,079.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.